Check that an svn repository url does not exist

Question

I am writing a script which will add a new project in the repository, based on the name supplied by the user. Part of this involves checking that an url with the same name does not already exist on the repository.

In the repository, all the projects of our team are stored in

https://developernetwork.repo.net/svn/Projects/

Let's say that the user wants to call the project "Calculator" and runs the script. In this case, we need to ensure that the following does not already exist in the repository

https://developernetwork.repo.net/svn/Projects/Calculator/

Is there an svn command which I can use to accomplish that? Unfortunately I cannot see an appropriate command I can use in the svn documentation (http://svnbook.red-bean.com/en/1.0/svn-book.html) at all.

Answer 1

Instead of checking for return strings I would just check for the return code:

both

svn ls REPOSITORY/PATH 

and

svn info REPOSITORY/PATH 

return 0 if all went fine, and 1 if things went wrong; you can quickly check it out:

echo $? 

so in a bash script just do something like:

error=$? if [ $error -ne 0 ]; then       YOUR ERROR HANDLING fi 

works like a treat!